My 2020 5K iMac i5 is Laggy and Spongy ver# 1.4.0 Mac OS 13.5.1 Lightburn problem?

[berainlb (PY)]

Are you perhaps running a scaled resolution?

You may be dealing with the same issue as described here:

UI really slow on higher resolution displays

Hi, I like to use lightburn, but the UI is really slow if usend on an external 5k display connected to my macbook. Slow like “i click a button and wait for 3 seconds, then the action happens”. If I drag the app to the integrated screen of the macbook, the UI is snappy and normal to work with. No restart of the lightburn-app, just dragging it to the other screen. I happen to have 2 MacBooks (2014 and 2018) and can recreate this behaviour on both. I assume, that this has something to do with th…